miim

### MP-129 W-axis Hirth coupling lock failure

The Hirth coupling on the W-axis rotary table failed to lock after a move.

What you should do:

1. To clear the error, click Clear error in the XYZ Display window.

To clear it using an RCU-II, press and hold down the Servo Power Off button and then press the Joy button twice.

2. Verify that the table coupling has the correct air pressure.

3. If the error reoccurs, contact your Giddings & Lewis service representative.